[PATCH v6 0/3] eDP Data Override

Kandpal, Suraj suraj.kandpal at intel.com
Mon Aug 25 04:38:36 UTC 2025


> Subject: [PATCH v6 0/3] eDP Data Override
> 
> When using link rates 2.43 and 6.75 causes a strong noise for WIFI bands. Its
> recommended we use 2.7 and 8.1 Gbps instead.
> The solution proposed was a static vbt field that provides us with a mask of
> rates which need to be skipped in favor of the next higher link rate.
> 
> --v2
> -Optimize looping
> 
> --v3
> -Break 2nd patch to two parts
> -Rename intel bios parse function
> -Create seprate function for setting rates
> 
> -v5
> -Fix VBT definition
> -Rename intel bios function
> -Make the function only return mask
> -Protect against broken VBT
> 
> --v5
> -Fix function naming
> -Define macro for num of rates
> 
> --v6
> -check broken vbt inside the reject rate function itself -no need to use hweight
> 
> HSD:14022096069
> Signed-off-by: Suraj Kandpal <suraj.kandpal at intel.com>

Thanks for the reviews
Pushed to din

Regards,
Suraj Kandpal

> 
> Suraj Kandpal (3):
>   drm/i915/vbt: Add eDP Data rate overrride field in VBT
>   drm/i915/bios: Add function to check if edp data override is needed
>   drm/i915/edp: eDP Data Overrride
> 
>  drivers/gpu/drm/i915/display/intel_bios.c     | 36 ++++++++++++++++++-
>  drivers/gpu/drm/i915/display/intel_bios.h     |  2 ++
>  drivers/gpu/drm/i915/display/intel_dp.c       | 19 ++++++++++
>  drivers/gpu/drm/i915/display/intel_vbt_defs.h | 18 ++++++++++
>  4 files changed, 74 insertions(+), 1 deletion(-)
> 
> --
> 2.34.1



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